package com.java;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

/**
 * 人到齐了才开会。收集齐龙珠，才能召唤神龙
 * Cyclic:循环
 * Barrier:障碍
 * @author jingjintao
 * @date 2021/10/24 - 22:28
 **/
public class CyclicBarrierDemo {

    public static void main(String[] args) {
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7, ()->{
            System.out.println("集齐7颗龙珠，召唤神龙");
        });
        for (int i = 1; i <= 7; i++) {
            final int temp = i;
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName()+"\t收集了第:"+temp+"颗龙珠");
                try {
                    cyclicBarrier.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            },String.valueOf(i)).start();
        }
    }
}
